Past measurement result by Seawater Radiation Monitor near Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list : 2020/12/17(CSV Download)

Radioactivity Concentration Unit:Bq/L

※ When being smaller then detection limit value, the numerical value is indicated with ND

TimeCs137Cs134Totalβ
00:00NDND17
00:10NDND19
00:20NDND19
00:30NDND20
00:40NDND21
00:50NDND20
01:00NDND20
01:10NDND19
01:20NDND18
01:30NDND20
01:40NDND18
01:50NDND18
02:00NDND14
02:10NDND11
02:20NDNDND
02:30NDNDND
02:40NDNDND
02:50NDND9.5
03:00NDND14
03:10NDND18
03:20NDND20
03:30NDND18
03:40NDND19
03:50NDND18
04:00NDND18
04:10NDND16
04:20NDND15
04:30NDND16
04:40NDND14
04:50NDND16
05:00NDND15
05:10NDND14
05:20NDND16
05:30NDND15
05:40NDND17
05:50NDND15
06:00NDND15
06:10NDND16
06:20NDND15
06:30NDND15
06:40NDND14
06:50NDND14
07:00NDND16
07:10NDND15
07:20NDND13
07:30NDND13
07:40NDND12
07:50NDND13
08:00NDND11
08:10NDND12
08:20NDND13
08:30NDND13
08:40NDND13
08:50NDND14
09:00NDND13
09:10NDND14
09:20NDND16
09:30NDND15
09:40NDND15
09:50NDND13
10:00NDND12
10:10NDND13
10:20NDNDND
10:30NDND12
10:40NDND13
10:50NDND14
11:00NDND18
11:10NDND16
11:20NDND17
11:30NDND15
11:40NDND15
11:50NDND13
12:00NDND12
12:10NDND12
12:20NDND13
12:30NDND14
12:40NDND15
12:50NDND17
13:00NDND16
13:10NDND17
13:20NDND19
13:30NDND17
13:40NDND14
13:50NDND16
14:00NDND15
14:10NDND17
14:20NDND13
14:30NDND14
14:40NDND14
14:50NDND12
15:00NDND12
15:10NDND13
15:20NDND17
15:30NDND16
15:40NDND16
15:50NDND16
16:00NDND16
16:10NDND12
16:20NDND11
16:30NDND12
16:40NDND14
16:50NDND17
17:00NDND17
17:10NDND19
17:20NDND20
17:30NDND17
17:40NDND16
17:50NDND13
18:00NDND13
18:10NDND10
18:20NDND10
18:30NDND13
18:40NDND12
18:50NDND12
19:00NDNDND
19:10NDND12
19:20NDND9.9
19:30NDNDND
19:40NDNDND
19:50NDND10
20:00NDND14
20:10NDND13
20:20NDND12
20:30NDND13
20:40NDND16
20:50NDND14
21:00NDND14
21:10NDND12
21:20NDND15
21:30NDND14
21:40NDND10
21:50NDND9.7
22:00NDND11
22:10NDND14
22:20NDND13
22:30NDND11
22:40NDND14
22:50NDND14
23:00NDND14
23:10NDND13
23:20NDND14
23:30NDND19
23:40NDND17
23:50NDND19